Well, 25 years ago maybe. High tech from the Eighties.
I think the first computer I used at work was this Z-100 and then mid-80s we went to dumb terminals hooked to a Plexus P60 mini-computer that ran UNIX SysV.
Ah, the good ol' days... NOT! Slooooooow and underpowered. I do not want to return to those good ol' days.